[2] In 1911, Mun went to study in Japan's Waseda University, where he associated closely with An Jae-hong and Yun Hong-seob, and also with Kim Sung-soo and Jang Deok-soo who would later become founders of The Dong-a Ilbo newspaper.

[3] The following year in 1912, Mun traveled to Shanghai China, where he resided in the French Concession area of the city.

[5] Mun's opinions and views of the Korean people, the power of the press, revolutions, and Buddhism greatly evolved during this period.

He also assisted in the work of organizing Korean historic records, and greatly helped in the popularization of history.

Like many other historians, he emphasized Joseon-sim (朝鮮心)[14] In 1995 the South Korean government conferred him posthumous honors, awarding him the Order of Merit for National Foundation.